import EventEmitter from 'events';

const myEmitter = new EventEmitter();
function greetHandler(name){
    console.log('Hello'+ name);
}
function goodbyeHandler(name){
    console.log('Goodbye'+ name);
}

myEmitter.on('greet', greetHandler);
myEmitter.on('goodbye', goodbyeHandler);

myEmitter.emit('greet', 'John');
myEmitter.emit('goodbye', 'John');

myEmitter.on('error',(err)=>{
    console.log('An Error Occured:',err);
});
myEmitter.emit('error',new Error('Something went wrong'));